1 files changed, 27 insertions, 0 deletions
diff --git a/test/sanity/code-smell/no-unwanted-characters.py b/test/sanity/code-smell/no-unwanted-characters.py
new file mode 100644
index 0000000..26e5912
--- /dev/null
+++ b/test/sanity/code-smell/no-unwanted-characters.py
@@ -0,0 +1,27 @@
+"""Disallow use of unwanted Unicode characters."""
+from __future__ import annotations
+
+import re
+import sys
+
+
+def main():
+    """Main entry point."""
+    for path in sys.argv[1:] or sys.stdin.read().splitlines():
+        with open(path, 'rb') as path_fd:
+            for line, text in enumerate(path_fd.readlines()):
+                try:
+                    text = text.decode('utf-8')
+                except UnicodeDecodeError as ex:
+                    print('%s:%d:%d: UnicodeDecodeError: %s' % (path, line + 1, ex.start + 1, ex))
+                    continue
+
+                match = re.search('(\u00a0)', text)
+
+                if match:
+                    print('%s:%d:%d: use an ASCII space instead of a Unicode no-break space' % (
+                        path, line + 1, match.start(1) + 1))
+
+
+if __name__ == '__main__':
+    main()